tyancolte@EpicBuntu:~$ sudo apt-get upgrade libfontconfig1
[sudo] password for tyancolte:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
libfontconfig1 is already the newest version.
The following packages were automatically installed and are no longer required:
  bbswitch-dkms dkms lib32gcc1 libc6-i386 libcuda1-346 nvidia-prime
  nvidia-settings screen-resolution-extra
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up fontconfig (2.11.1-0ubuntu6) ...
Regenerating fonts cache... failed.
See /var/log/fontconfig.log for more information.
dpkg: error processing package fontconfig (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 fontconfig
E: Sub-process /usr/bin/dpkg returned an error code (1)
tyancolte@EpicBuntu:~$ sudo apt-get install --reinstall libfont
libfont-afm-perl         libfontconfig1-dev       libfontforge-dev
libfontbox-java          libfontembed1            libfont-freetype-perl
libfontbox-java-doc      libfontembed-dev         libfonts-java
libfontchooser-java      libfontenc1              libfonts-java-doc
libfontchooser-java-doc  libfontenc1-dbg          libfont-ttf-perl
libfontconfig1           libfontenc-dev
libfontconfig1-dbg       libfontforge1
tyancolte@EpicBuntu:~$ sudo apt-get install --reinstall libfontconfig1 libfontconfig1-dev libfontconfig1-dbg
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  bbswitch-dkms dkms lib32gcc1 libc6-i386 libcuda1-346 nvidia-prime
  nvidia-settings screen-resolution-extra
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  libfreetype6-dev libpng12-dev
The following NEW packages will be installed:
  libfontconfig1-dbg libfontconfig1-dev libfreetype6-dev libpng12-dev
0 upgraded, 4 newly installed, 2 reinstalled, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 2,028 kB of archives.
After this operation, 6,843 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libfontconfig1 amd64 2.11.0-0ubuntu4.1 [123 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libfontconfig1 i386 2.11.0-0ubuntu4.1 [124 kB]
Get:3 http://us.archive.ubuntu.com/ubuntu/ trusty/main libpng12-dev amd64 1.2.50-1ubuntu2 [206 kB]
Get:4 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libfreetype6-dev amd64 2.5.2-1ubuntu2.4 [621 kB]
Get:5 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libfontconfig1-dev amd64 2.11.0-0ubuntu4.1 [664 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libfontconfig1-dbg amd64 2.11.0-0ubuntu4.1 [290 kB]
Fetched 2,028 kB in 2s (958 kB/s)
(Reading database ... 551329 files and directories currently installed.)
Preparing to unpack .../libfontconfig1_2.11.0-0ubuntu4.1_amd64.deb ...
Unpacking libfontconfig1:amd64 (2.11.0-0ubuntu4.1) over (2.11.0-0ubuntu4.1) ...
Preparing to unpack .../libfontconfig1_2.11.0-0ubuntu4.1_i386.deb ...
Unpacking libfontconfig1:i386 (2.11.0-0ubuntu4.1) over (2.11.0-0ubuntu4.1) ...
Selecting previously unselected package libpng12-dev.
Preparing to unpack .../libpng12-dev_1.2.50-1ubuntu2_amd64.deb ...
Unpacking libpng12-dev (1.2.50-1ubuntu2) ...
Selecting previously unselected package libfreetype6-dev.
Preparing to unpack .../libfreetype6-dev_2.5.2-1ubuntu2.4_amd64.deb ...
Unpacking libfreetype6-dev (2.5.2-1ubuntu2.4) ...
Selecting previously unselected package libfontconfig1-dev.
Preparing to unpack .../libfontconfig1-dev_2.11.0-0ubuntu4.1_amd64.deb ...
Unpacking libfontconfig1-dev (2.11.0-0ubuntu4.1) ...
Selecting previously unselected package libfontconfig1-dbg.
Preparing to unpack .../libfontconfig1-dbg_2.11.0-0ubuntu4.1_amd64.deb ...
Unpacking libfontconfig1-dbg (2.11.0-0ubuntu4.1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for doc-base (0.10.5) ...
Possible precedence issue with control flow operator at /usr/share/perl5/Debian/DocBase/DB.pm line 101.
Processing 2 added doc-base files...
Registering documents with scrollkeeper...
Setting up libfontconfig1:amd64 (2.11.0-0ubuntu4.1) ...
Setting up libfontconfig1:i386 (2.11.0-0ubuntu4.1) ...
Setting up fontconfig (2.11.1-0ubuntu6) ...
Regenerating fonts cache... failed.
See /var/log/fontconfig.log for more information.
dpkg: error processing package fontconfig (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up libpng12-dev (1.2.50-1ubuntu2) ...
Setting up libfreetype6-dev (2.5.2-1ubuntu2.4) ...
Setting up libfontconfig1-dev (2.11.0-0ubuntu4.1) ...
Setting up libfontconfig1-dbg (2.11.0-0ubuntu4.1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.6) ...
Errors were encountered while processing:
 fontconfig
E: Sub-process /usr/bin/dpkg returned an error code (1)
tyancolte@EpicBuntu:~$